| Kľačno | |
| Settlement Type: | Municipality |
| Subdivision Type: | Country |
| Subdivision Type2: | Region |
| Subdivision Name2: | Trenčín |
| Subdivision Type3: | District |
| Subdivision Name3: | Prievidza |
| Pushpin Map: | Slovakia Trenčín Region#Slovakia |
| Pushpin Relief: | 1 |
| Pushpin Map Caption: | Location of Kľačno in the Trenčín Region##Location of Kľačno in Slovakia |
| Coordinates: | 48.9125°N 18.6583°W |
| Established Title: | First mentioned |
| Established Date: | 1413 |
| Area Total Km2: | 48.69[1] |
| Area Total Sq Mi: | 18.80 |
| Elevation M: | 400[2] |
| Elevation Ft: | 1,300 |
| Population Total: | 1062[3] |
| Population Density Km2: | 21.88[4] |
| Population Density Sq Mi: | 8.45 |
| Postal Code Type: | Postal code |
| Postal Code: | 972 15 |
| Area Code: | +421 46 |
| Blank Name: | Car plate |
| Blank Info: | PD |
| Website: | www.klacno.eu |
Kľačno (de|Gaidel; hu|Nyitrafő) is a village and municipality in Prievidza District in the Trenčín Region of western Slovakia.
In historical records the village was first mentioned in 1413.
The village once belonged to the German language island of Hauerland but the majority of the German population was expelled at the end of World War II.[5]
The municipality lies at an altitude of 368 metres and covers an area of 48.699 km2. It has a population of about 1100 people.
The records for genealogical research are available at the state archive "Statny Archiv in Nitra, Slovakia"